2018/09/24: The average monthly payments to those who worked for a transportation app in a given month declined to $783 from $1,469. Meanwhile, people working for leasing apps -- Airbnb, Turo, Parklee and other apps that let you rent assets like your home, car or parking space -- saw their incomes from those platforms rise 69 percent to $1,736 on average.

This is happening as online gig work has become more popular, thanks in large part to the growth in the number of transportation jobs. The share of the working population that has participated in the online gig economy at any point in a year rose from less than 2 percent in 2013 to nearly 5 percent in 2018. There are a number of potential reasons why the average pay for gig economy drivers has gone down. It could be any or all of the below, according to JPMorgan: drivers on average are working fewer hours; demand hasn't increased to meet the increased number of drivers; trip prices have fallen; or platforms are paying drivers lower rates.

The fact that this study did not examine hourly earnings, the metric that drivers care most about, has resulted in misleading headlines,” a Lyft spokesperson said in an email. “Many more drivers are choosing to earn with Lyft on a part-time basis, often fewer than ten hours per week, and they tell us they truly value the flexibility Lyft provides.